View of the construction of a headgate for the Vallejos Ditch (1854), part of the Ditch No.5, USDA Special Improvement Project for the Vallejos Ditch irrigation system, in San Pablo (Costilla County), Colorado. Two men work near a wooden concrete form, another form with re-bar is nearby. Farm buildings, a pickup truck and the Sangre de Cristo Mountains are in the distance.

Content derived from inventory prepared by Dana EchoHawk.; Scanned image from loaned collection.; Title derived from inventory.; Mode of access: World Wide Web.; Digitization sponsored by the Library Services and Technology Act and the Center for Colorado & the West at Auraria Library.